satellite: Definition, Synonyms from Answers.com
Reconnaissance satellites are Earth observation satellite or communications
..... As of 2009, only eight countries from the list above ( Russia and Ukraine
...
www.answers.com/topic/satellite

List of Earth observation satellites - Wikipedia, the free ...
Partial list of Earth observation satellites by series/program. ... A full-size
model of an Earth observation satellite from ESA, ERS 2. ...
en.wikipedia.org/wiki/ List_of_Earth_observation_satellites

weather satellite: Definition from Answers.com
Geostationary weather satellites orbit the Earth above the equator at altitudes
of 35880 km (22300 miles). .... List of Earth observation satellites ...
www.answers.com/topic/weather-satellite

Preview - Earth Observation Satellites and Sensors
List of the current (green) and future (yellow) Earth observation satellites
according to their main characterics. Filter (Optional): ...
www.space-risks.com/SpaceData/index.php?id_page=5

Remote sensing: Definition from Answers.com
And so the list goes, right up to such latter-day American developments as the
..... Thus, Earth observation or weather satellite collection platforms, ...
www.answers.com/topic/remote-sensing

List of some Earth Observation Satellites
What are the main Earth Observation Satellites and Sensors _Here is a list of
some EO missions. These entries should become html links to further ...
www.faqs.org/faqs/sci/ Satellite-Imagery-FAQ/part2/section-4.html

low Earth orbit: Definition from Answers.com
Jan 17, 2008 ... ENVISAT is one example of an Earth observation satellite that makes .... List of
orbits ... Low Earth orbit satellite period of revolution? ...
www.answers.com/topic/low-earth-orbit

Earth observation satellite - Wikipedia, the free encyclopedia
Jun 3, 2009 ... Earth Observing System - a NASA program comprising a series of satellite
missions; List of Earth observation satellites ...
en.wikipedia.org/wiki/Earth_observation_satellite

moon: Definition from Answers.com
moon n. often Moon The natural satellite of Earth, visible by reflection of ...
Orbiter and the Lunar Crater Observation and Sensing Satellite on June 18,
...... See also astronomical objects, the Solar System's list of objects, ...
www.answers.com/topic/moon

WikiAnswers - How does astronomy benefit society
Earth observation satellites also need to know where they are pointing, and they
figure that out by looking at the stars. ...
wiki.answers.com/Q/How_does_astronomy_benefit_society